Example image of eyePlorer eyePlorer map for 'Lock (water transport)': Waterway Boat lift Caisson (engineering) Caisson lock Canal inclined plane Canal River Dam Rapid Weir Calder and Hebble Navigation Floodgate Aqueduct Tunnel Rack and pinion Bath Locks Kennet and Avon Canal Rochdale Canal Tuel Lane Lock Oxford Canal Trent and Mersey Canal Elm Oak Steel American English Birmingham Canal Navigations Leeds and Liverpool Canal British Waterways Grand Union Canal Napton-on-the-Hill Macclesfield Canal Kiel Canal East Anglia River Nene Limehouse Basin River Thames Rotterdam Ribble Link Windlass Montgomery Canal Electricity Hydraulics Ship canal Oxford Salmon Trout Fish ladder Devizes Bratch Staffordshire and Worcestershire Canal